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Finding the Fourth Proportional to 269,348.64, 371,700.48 and 148,488.96

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Solution

The fourth proportional to 269,348.64, 371,700.48 and 148,488.96 is: 204,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.64 : 371,700.48 = 148,488.96 : x
  2. Step 2: Convert to fraction form
    269,348.64/371,700.48 = 148,488.96/x
  3. Step 3: Cross multiply
    269,348.64x = 371,700.48 × 148,488.96
  4. Step 4: Simplify right side
    269,348.64x = 55,193,417,706.70
  5. Step 5: Solve for x
    x = 55,193,417,706.70/269,348.64
  6. Step 6: Final answer
    x = 204,914.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.